The Quad-City Times reports that about 200 gallons of jet fuel spilled near the Quad City Airport, causing an alert that drew in five fire departments for assistance. Fuel spills at airports can be especially hazardous, since they typically involve larger volumes than spills at automotive service stations, and they ordinarily occur in areas where sprawling areas of concrete require large stormwater collection systems, which in turn can hold large amounts of water which the fuel could have contaminated. 200 gallons isn't an insignificant spill, either; the oil drums most people are familiar with usually hold 55 gallons of liquid, so the spill was nearly the equivalent of four drums of fuel.